Bradford Coroner's officers have appealed for relatives of Stephen Archibald Brown, 47, to come forward.
He was found dead at an address on Thornton Road, Bradford, on February 11.
There are no suspicious circumstances.
He is believed to have a brother called Denny or Dennis living in the Fartown area of Huddersfield.
Anyone with information is asked to contact Bradford Coroner's Office on (01274) 376510.
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